John Overdeck’s Atomera ATOM Stock Holding History

John Overdeck’s Portfolio ATOM Stock Details ATOM Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2022 Q1	–	Sell	-15,500	Closed	-$312K	–	2706
2021 Q4	$312K	Buy	15,500 +3,300	+27%	+$77.5K	﹤0.01%	3617
2021 Q3	$282K	Buy	+12,200	New	+$265K	﹤0.01%	3720

Other funds holding ATOM

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Avenir Corporation Alexandria, Virginia $821M AUM 4.23% 1-Year Est. Return

Baird Financial Group Milwaukee, Wisconsin $72.7B AUM 26.4% 1-Year Est. Return

UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return

QPW

Quantum Private Wealth Tampa, Florida $390M AUM 58.18% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

John Overdeck's ATOM Position: Q2 2026 in Review

John Overdeck increased its Atomera (ATOM) stake by 26% in Q2 2026, buying an estimated $1.08M and bringing the position to 667,667 shares worth $5.82M. The position accounts for ﹤0.01% of the portfolio, ranked #1996.

John Overdeck first reported a position in ATOM in Q3 2021 and has held it in 15 quarters since. 121 funds tracked by Wall St. Rank hold ATOM as of Q2 2026.

John Overdeck held 667,667 shares of Atomera worth $5.82M as of Q2 2026.
John Overdeck bought 137,667 Atomera shares in Q2 2026, an estimated $1.08M.
Atomera made up ﹤0.01% of John Overdeck's portfolio in Q2 2026, its #1996 holding.
John Overdeck first reported a position in Atomera in Q3 2021 and has held it in 15 quarters since.
121 funds tracked by Wall St. Rank held Atomera as of Q2 2026.

Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.